Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha men tong snippets" » "cha xen tong snippets", "cha ben trong snippets", "cha jen tzong snippets", "cha me tong snippets", "cham den tong snippets", "cham nen tong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cha men tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cha men tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha men tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha men tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.